|Publication number||US5583495 A|
|Application number||US 08/392,855|
|Publication date||Dec 10, 1996|
|Filing date||Sep 1, 1993|
|Priority date||Sep 2, 1992|
|Publication number||08392855, 392855, PCT/1993/8193, PCT/US/1993/008193, PCT/US/1993/08193, PCT/US/93/008193, PCT/US/93/08193, PCT/US1993/008193, PCT/US1993/08193, PCT/US1993008193, PCT/US199308193, PCT/US93/008193, PCT/US93/08193, PCT/US93008193, PCT/US9308193, US 5583495 A, US 5583495A, US-A-5583495, US5583495 A, US5583495A|
|Inventors||Dani Ben Lulu|
|Original Assignee||Ben Lulu; Dani|
|Export Citation||BiBTeX, EndNote, RefMan|
|Patent Citations (5), Referenced by (51), Classifications (15), Legal Events (3)|
|External Links: USPTO, USPTO Assignment, Espacenet|
The present invention relates to the field of technical vision for objects detection, and, more particularly to systems for providing an alarm when a vehicle is present in the dead zone of driver's view (FIG. 1) at the left or right side of the vehicle, especially when the driver tries to move to one side or the other, as when changing lanes.
According to the present invention, there is provided an apparatus for the automatic detection of dangerous objects in the left and right sides of vehicle and in its back space comprising: ultrasound transmitters (4) activated by generators (6) with defined angle of radiation emitting ultrasound waves continuously or pulsed or modulated; ultrasound receivers (14) connected to an analog or digital analyzer for determination of intensity, speed of change, Doppler's frequency change and angle of fall of the received signal that depends on road situation; amplifiers (16), signal analyzer (18) includes time and frequency discriminators for speed and distance determination, received returned signal from amplifiers and standard signal from generator, control and signal from amplifiers and standard signal from generator, control and calculation unit with condition inputs like vehicle speed (10) and turn signal (12), commutation unit, alarm or display unit for communication with driver, communication to other vehicle systems that detects dangerous objects presence into the pre-defined area limited by lines of driver's direct view, borders of left and right adjacent lines of traffic and predetermined distance back and provides alarm or signalization to vehicle driver.
The invention is herein described, by way of example only, with reference to the accompanying drawings, wherein:
FIG. 1 contains basic drawing of driver's field of view where α1 is a front view, α2--view through left side mirror, α3--view through right side mirror, α4--panorama mirror view, β1 and β2 angles defining "dead area" of drivers view. R and L are areas where detection of another vehicle is needed. Those areas includes two lines (in the left and right sides) limited by α1 angle lines forward and same distance back from vehicle (about 10-15 meters). Dashed line shows dangerous object may occur in those areas.
FIG. 2 shows functional division of dangerous places on the left and right sides. Distance A is comparable with vehicle length. Distance B is additional length that dangerous object may arrive from.
FIG. 3 presents a basic embodiment of the apparatus, according to the present invention which includes: radiation sources (4), radiation receivers (14), amplifiers (16), signal analyzer (18), control and calculation unit (8) with conditions inputs mm signal (12) and vehicle state of moving (10), terminals (20) like computer interface, alarm and/or signalization.
FIG. 1 presents the borders of vehicle driver's view, defined by direct angle α1 in addition with back view throw the left side mirror α2, back view through right side mirror α3 and back view through panorama mirror α4. There remains blind spot dead area open space in angle β1 in left β2 in right side of drawing vehicle. Non detected vehicle may appear in dead area. Danger state occurs when driver tries to move to the left or right path of the road for overcoming preceding low speed vehicle or any object on the left or right. An accident may occur. For prevention of accident driver must have alarm when another vehicle is moving in the dead area or comes near for overcame his own vehicle.
An object of the present invention is to provide appropriate solutions for detection of a vehicle appeared in the dead field of drivers view or in every place in the right or left side and in questionable areas back of them. Proposed problem solution based on ultrasound location of the dangerous area R and L defined on FIGS. 1 and 2. The ultrasound waves emitted from transmitters 4 to the dangerous area are reflected back from the overtake or moving parallel vehicle 2 and receiver 14. Ultrasound signals are emitted by transmitters, for, may be individualize continuous or pulsed or modulated for each individual vehicle, and thereby preventing interference between ultrasound vehicle detection signals emitted and received by adjacent vehicles. Amplified by amplifiers 16 signal goes to signal analyzer 18 may be either an analog or digital analyzer for place determination of place and speed of vehicle in this area. Control and calculation unit 8 takes into account a number of useful signals like its own speed and state of turn signal. The proposed system is preferably activated if two conditions are presented: vehicle moves (speed signal 10) and driver intends to change lane left and right (ram signal 12), but may also be activated continuously without regard to the turn signal 12 being activated. When the vehicle is stationary it may be desirable to increase the zone of hazard in order to take into account the greater differential speed between the stationary vehicle and the nearby moving vehicles. In the terminals set computer interface is available for communication with more complete and complicated systems of vehicle electronics. Other terminals are different systems of alarming and signalization. A non wire communication channel may be provided between the control and calculations unit and the alarm or display unit.
In a preferred embodiment, the apparatus activates if only two conditions are present: speed of vehicle is not equal to zero--vehicle moves: turn signal is turned on indicating that the driver intends to move left or right.
There is a difference among distances A and B. An object in areas R and L into the region A is always dangerous. Vehicle in region B is dangerous only if distance among the two vehicles decreases. An apparatus actions defined for those two regions is different.
For regions L and R on distance A alarm or signalization will be activated only if an overcoming vehicle will be detected in those areas.
For regions L and R on distance B alarm or signalization will be activated in case when the speed of the detected vehicle is more than the detector's carrier speed. The negative or positive difference of speed can be defined by use of Doppler Effect.
Transmitters and receivers may be installed on the external left and/or right side of the vehicle, or on the rearview mirror, or on the external top part of the vehicle. While the invention has been described with respect to a limited number of embodiments, it will be appreciated that many variations, modifications and other applications of the invention may be made.
|Cited Patent||Filing date||Publication date||Applicant||Title|
|US4028662 *||May 24, 1976||Jun 7, 1977||Raymond Donald Young||Passing vehicle signalling apparatus|
|US4694296 *||Mar 12, 1985||Sep 15, 1987||Nippon Soken, Inc.||Vehicle approach sensing apparatus|
|US5235316 *||Dec 20, 1991||Aug 10, 1993||Qualizza Gregory K||Vehicle collision avoidance system|
|GB2076197A *||Title not available|
|JPH0424800A *||Title not available|
|Citing Patent||Filing date||Publication date||Applicant||Title|
|US5709281 *||Sep 14, 1995||Jan 20, 1998||Trw Inc.||Method and apparatus for adjusting steering feel|
|US5712640 *||Nov 27, 1995||Jan 27, 1998||Honda Giken Kogyo Kabushiki Kaisha||Radar module for radar system on motor vehicle|
|US5959555 *||Aug 20, 1997||Sep 28, 1999||Furuta; Yoshihisa||Apparatus for checking blind spots of vehicle|
|US5963127 *||Sep 17, 1997||Oct 5, 1999||Mekra Lang Gmbh & Co. Kg||Control equipment for difficult to see or blind spot areas around vehicles, and related method|
|US6348858 *||Jan 7, 2000||Feb 19, 2002||Volkswagen Ag||Method and device for surveillance of the rearward observation area of motor vehicles|
|US6363326 *||Nov 27, 2000||Mar 26, 2002||Robert Lawrence Scully||Method and apparatus for detecting an object on a side of or backwards of a vehicle|
|US6369702||Apr 30, 1999||Apr 9, 2002||Lang-Mekra North America, Llc||Rearview mirror with safety catch|
|US6388565 *||May 8, 2000||May 14, 2002||Daimlerchrysler Ag||Guidance system for assisting lane change of a motor vehicle|
|US6416191||Feb 15, 2000||Jul 9, 2002||Lang-Mekra North America, Llc||Double walled carrier plate and related mirror assembly|
|US6577269||Aug 16, 2001||Jun 10, 2003||Raytheon Company||Radar detection method and apparatus|
|US6611227||Aug 8, 2002||Aug 26, 2003||Raytheon Company||Automotive side object detection sensor blockage detection system and related techniques|
|US6642908||Aug 16, 2001||Nov 4, 2003||Raytheon Company||Switched beam antenna architecture|
|US6657581 *||Aug 16, 2001||Dec 2, 2003||Raytheon Company||Automotive lane changing aid indicator|
|US6670910||Jan 31, 2002||Dec 30, 2003||Raytheon Company||Near object detection system|
|US6674394 *||Mar 28, 2003||Jan 6, 2004||Visteon Global Technologies, Inc.||Method for determining object location from side-looking sensor data|
|US6675094||Sep 7, 2001||Jan 6, 2004||Raytheon Company||Path prediction system and method|
|US6683557||Aug 16, 2001||Jan 27, 2004||Raytheon Company||Technique for changing a range gate and radar for coverage|
|US6707419||Aug 16, 2001||Mar 16, 2004||Raytheon Company||Radar transmitter circuitry and techniques|
|US6708100||Aug 12, 2002||Mar 16, 2004||Raytheon Company||Safe distance algorithm for adaptive cruise control|
|US6734807 *||Apr 1, 1999||May 11, 2004||Lear Automotive Dearborn, Inc.||Polarametric blind spot detector with steerable beam|
|US6784828||Aug 16, 2001||Aug 31, 2004||Raytheon Company||Near object detection system|
|US6803858||Apr 29, 2002||Oct 12, 2004||Sandra Whitted||Blind spot alert system|
|US6864831||Aug 27, 2002||Mar 8, 2005||Raytheon Company||Radar detection method and apparatus|
|US6903679||Aug 16, 2001||Jun 7, 2005||Raytheon Company||Video amplifier for a radar receiver|
|US6970142||Feb 27, 2003||Nov 29, 2005||Raytheon Company||Antenna configurations for reduced radar complexity|
|US6975932 *||Sep 18, 2003||Dec 13, 2005||American Calcar Inc.||Technique for maintaining a separation between a vehicle and a detectable object|
|US6977609||Jul 8, 2004||Dec 20, 2005||Raytheon Company||Technique for changing a range gate and radar coverage|
|US6995687||May 16, 2002||Feb 7, 2006||Lang-Mekra North America, Llc||Parking aid for use in a motor vehicle|
|US6995730||Nov 13, 2002||Feb 7, 2006||Raytheon Company||Antenna configurations for reduced radar complexity|
|US7046128||May 26, 2004||May 16, 2006||Roberts Kristie L||Collision detection and warning system for automobiles|
|US7071868||Apr 8, 2005||Jul 4, 2006||Raytheon Company||Radar detection method and apparatus|
|US7162370||Aug 29, 2005||Jan 9, 2007||American Calcar Inc.||Centralized control and management system for automobiles|
|US7183995||Jul 14, 2003||Feb 27, 2007||Raytheon Company||Antenna configurations for reduced radar complexity|
|US7512495||Jan 8, 2007||Mar 31, 2009||American Calcar, Inc.||Centralized control and management system for automobiles|
|US7729856||Apr 14, 2004||Jun 1, 2010||Robert Bosch Gmbh||Method and device for detecting objects in the surroundings of a vehicle|
|US7973701||Mar 30, 2009||Jul 5, 2011||Valeo Radar Systems, Inc.||Automotive radar sensor blockage detection system and related techniques|
|US8930063 *||Feb 22, 2012||Jan 6, 2015||GM Global Technology Operations LLC||Method for determining object sensor misalignment|
|US20020067287 *||Aug 16, 2001||Jun 6, 2002||Delcheccolo Michael Joseph||Near object detection system|
|US20020072843 *||Aug 16, 2001||Jun 13, 2002||Russell Mark E.||Safe distance algorithm for adaptive cruise control|
|US20020075178 *||Aug 16, 2001||Jun 20, 2002||Woodington Walter Gordon||Radar transmitter circuitry and techniques|
|US20020147534 *||Jan 31, 2002||Oct 10, 2002||Delcheccolo Michael Joseph||Near object detection system|
|US20050128060 *||Nov 19, 2004||Jun 16, 2005||Mark Rennick||Universally usable object detection system and method|
|US20050275514 *||May 26, 2004||Dec 15, 2005||Roberts Kristie L||Collision detection and warning system for automobiles|
|US20110018698 *||Jan 27, 2011||Charlton Rodriguez||Electrical car sensor for blind spots|
|US20130218398 *||Feb 22, 2012||Aug 22, 2013||GM Global Technology Operations LLC||Method for determining object sensor misalignment|
|USD733722 *||Dec 27, 2012||Jul 7, 2015||Nissan Jidosha Kabushiki Kaisha||Display screen or portion thereof with graphical user interface|
|CN100472225C||Aug 11, 2004||Mar 25, 2009||罗伯特.博世有限公司||Method and device for the detection of objects moving approximately in the same spatial direction as a vehicle|
|CN100504438C||Apr 14, 2004||Jun 24, 2009||罗伯特·博世有限公司||Method and device for detecting objects in a motor vehicle environment|
|DE102006004866A1 *||Feb 2, 2006||Aug 16, 2007||Siemens Ag||Driver assistance system for motor vehicle, comprises sensor unit for detecting object in distant field of vehicle, where information is detected by sensor unit provided for parking assistance system of vehicle|
|DE102006004866B4 *||Feb 2, 2006||Dec 8, 2011||Continental Automotive Gmbh||Fahrerassistenzsystem für ein Fahrzeug und Verfahren zum Betreiben eines Fahrzeugs|
|EP1026036A2 *||Feb 4, 2000||Aug 9, 2000||MEKRA Lang GmbH & Co. KG||Rear view mirror, in particular exterior mirror for vehicles|
|U.S. Classification||340/904, 340/435, 367/909, 342/70, 701/301, 701/93, 180/170, 340/436|
|International Classification||B60Q1/52, G01S15/93|
|Cooperative Classification||G01S15/931, B60Q9/008, Y10S367/909|
|European Classification||B60Q9/00E, G01S15/93C|
|Jul 4, 2000||REMI||Maintenance fee reminder mailed|
|Dec 10, 2000||LAPS||Lapse for failure to pay maintenance fees|
|Feb 13, 2001||FP||Expired due to failure to pay maintenance fee|
Effective date: 20001210